Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [[crown] organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           [Empire Bacteria Haeckel 1894] see Domain Bacteria Woese et al. 1990
             2 [Kingdom Archaebacteria Woese and Fox 1977] see Subdomain Archaebacteria